Electronic device with a foldable cover for covering a user operable device

ABSTRACT

The invention provides an electronic device including a user operable device and a foldable cover flexibly connected to the user operable device and capable to cover a whole top of the user operable device. The foldable cover includes a plurality of sections and a plurality of foldable lines, so that the foldable cover can be folded along the plurality of foldable lines formed between different sections. The sections are connected through the flexible foldable lines to allow the adjacent sections foldable with respective to one another to make the foldable cover in a supporting state, so that a first fastening section and a second fastening section are releasably fastened together so as to fasten a first supporting section and a second supporting section, and a first attachment section and a second attachment section are placed flatly on a plane.

CROSS REFERENCE TO RELATED APPLICATIONS

This is a continuation application of application Ser. No. 13/792,188,filed Mar. 10, 2013, which claims the benefit of Taiwan Application No.101207228, filed on Apr. 19, 2012, the contents of which areincorporated herein by reference.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to an electronic device, and morespecifically, to an electronic device with a foldable cover capable ofcovering a top of a user operable device and capable of supporting aportable device at a supporting state by rotation alternatively.

2. Description of the Prior Art

Since modern technology trends to small size and light weight, aportable computer has been more and more popular in computer industry.Accordingly, a keyboard as an input interface equipped for the portablecomputer also trends to a thin size. A keyboard cover is designed forpreventing careless touch of the keyboard when the keyboard is not used.Furthermore, a supporting frame is designed for supporting the portablecomputer when the portable computer is used. However, there is noperipheral device cooperating with the keyboard as combination of thekeyboard cover and the supporting frame in the market.

SUMMARY OF THE INVENTION

The present invention provides an electronic device with a foldablecover capable of covering a top of a user operable device and capable ofsupporting a portable device at a supporting state by rotationalternatively.

According to an embodiment of the present invention, an electronicdevice with a supporting function includes a user operable device placedon a plane. The electronic device further includes a foldable coverflexibly connected to the user operable device and capable to cover awhole top of the user operable device. The foldable cover includes aplurality of sections and a plurality of foldable lines formed betweendifferent sections, so that the foldable cover can be folded along theplurality of foldable lines. The plurality of foldable lines are formedby following way: (a) forming a left longitudinal foldable line; (b) aleft lower foldable line joining the left longitudinal foldable line ata first point which is located at a bottom side of a left half foldablecover; (c) forming a right longitudinal foldable line; (d) a right lowerfoldable line joining the right longitudinal foldable line at a secondpoint which is located at the bottom side of a right half foldablecover; (e) a left upper foldable line extending from a left side to anupper side of the foldable cover; and (f) a right upper foldable lineextending from a right side to the upper side of the foldable cover. Theleft longitudinal foldable line and the right longitudinal foldable lineextend from the bottom side to the upper side of the foldable cover, theleft lower foldable line extends from the bottom side to the left sideof the support cove, and the right lower foldable line extends from thebottom side to the right side of the foldable cover. The six foldablelines divide the foldable cover into at least following sections: (a′) amain section; (b′) a first supporting section pivoted to a first lateralside of the main section; (c′) a second supporting section pivoted to asecond lateral side of the main section; (d′) a first fastening sectionpivoted to a lateral side of the first supporting section; (e′) a secondfastening section pivoted to a lateral side of the second supportingsection; (f′) a first attachment section pivoted to a bottom side of thefirst supporting section; and (g′) a second attachment section pivotedto a bottom side of the second supporting section. These sections areconnected through the six flexible foldable lines to allow the adjacentsections foldable with respective to one another to make the foldablecover in a supporting state, so that (i) the first fastening section andthe second fastening section are releasably fastened together so as tofasten the first supporting section and the second supporting section,and (ii) the first attachment section and the second attachment sectionare placed flatly on the plane.

According to another embodiment of the present invention, the firstfastening section includes a first magnetic component, the secondfastening section includes a first magnetic induction component, and thefirst magnetic component and the first magnetic induction component arefor releasably attracting each other so as to releasably fasten thefirst fastening section and the second fastening section. The foldablecover further includes a second magnetic component and a second magneticinduction component. The second magnetic component is disposed on theuser operable device and corresponding to the first magnetic inductioncomponent, and the second magnetic induction component is disposed onthe user operable device and corresponding to the first magneticcomponent. The first magnetic component and the second magneticinduction component are for releasably attracting each other and thefirst magnetic induction component and the second magnetic component arefor releasably attracting each other, as the main section, the firstsupporting section, the second supporting section, the first fasteningsection and the second fastening section are for rotating in a directionclose to the user operable device, so as to cover a top of the useroperable device.

According to another embodiment of the present invention, the firstfastening section comprises a third magnetic component, the secondfastening section comprises a fourth magnetic component, and the thirdmagnetic component and the fourth magnetic component are for releasablyattracting each other due to being opposite magnetic poles so as toreleasably fasten the first fastening section and the second fasteningsection. The foldable cover further includes a fifth magnetic componentand a sixth magnetic component. The fifth magnetic component is disposedon the user operable device and corresponding to the third magneticcomponent. The fifth magnetic component and the third magnetic componentare for releasably attracting each other due to being opposite magneticpoles. The sixth magnetic component is disposed on the user operabledevice and corresponding to the fourth magnetic component, and the sixthmagnetic component and the fourth magnetic component are for releasablyattracting each other due to being opposite magnetic poles. The fifthmagnetic component and the third magnetic component are for releasablyattracting each other and the sixth magnetic component and the fourthmagnetic component are for releasably attracting each other, as the mainsection, the first supporting section, the second supporting section,the first fastening section and the second fastening section are forrotating in a direction close to the user operable device, so as tocover a top of the user operable device.

According to another embodiment of the present invention, the firstfastening section includes a first velcro tape, the second fasteningsection includes a second velcro tape, and the first velcro tape and thesecond velcro tape are for releasably attaching each other so as toreleasably fasten the first fastening section and the second fasteningsection. The foldable cover further includes a third velcro tapedisposed on the user operable device and corresponding to the firstvelcro tape, and a fourth velcro tape disposed on the user operabledevice and corresponding to the second velcro tape. The third velcrotape and the first velcro tape are for releasably attaching each otherand the fourth velcro tape and the second velcro tape are for releasablyattaching each other, as the main section, the first supporting section,the second supporting section, the first fastening section and thesecond fastening section are for rotating in a direction close to theuser operable device, so as to cover a top of the user operable device.

According to another embodiment of the present invention, the electronicdevice further includes a flexible connecting portion, one end of theflexible connecting portion is connected to a bottom side of the mainsection and no connection is with other sections. The other end of theflexible connecting portion is connected to the user operable device, sothe main section is connected with the user operable device through theflexible connecting portion.

According to another embodiment of the present invention, the mainsection substantially has a shape of a trapezoid, a rectangle, or atriangle.

According to another embodiment of the present invention, when thefoldable cover is in the supporting state, a receiving space is formedbetween the main section and the user operable device for receiving abottom end of a portable device.

According to another embodiment of the present invention, an electronicdevice includes a user operable device placed on a plane, and a foldablecover flexibly connected to the electronic device. The foldable coverincludes a plurality of sections and a plurality of foldable linesformed between different sections, so that the foldable cover can befolded along the plurality of foldable lines. The plurality of foldablelines are formed by following way: (a) a left longitudinal foldable lineextending from a bottom side to an upper side of the foldable cover; (b)a left lower foldable line forming at a left side of the leftlongitudinal foldable line and extending from the bottom side to a leftside of the foldable cover; (c) a right longitudinal foldable lineforming at a right side of the left longitudinal foldable line andextending from the bottom side to the upper side of the foldable cover;(d) a right lower foldable line forming at a right side of the rightlongitudinal foldable line and extending from the bottom side to a rightside of the foldable cover; (e) a left upper foldable line forming atthe left side of the left longitudinal foldable line and extending fromthe left side to the upper side of the foldable cover; and (f) a rightupper foldable line forming at the right side of the right longitudinalfoldable line and extending from the right side to the upper side of thefoldable cover. The plurality of foldable lines divide the foldablecover into at least following sections: (a′) a main section; (b′) a leftsupporting section pivoted to the main section through the leftlongitudinal foldable line; (c′) a right supporting section pivoted themain section through the right longitudinal foldable line; (d′) a leftupper section pivoted to the left supporting section through the leftupper foldable line; (e′) a right upper section pivoted to the rightsupporting section through the right upper foldable line; (f′) a leftlower section pivoted to the left supporting section through the leftlower foldable line; and (g′) a right lower section pivoted the rightsupporting section through the right lower foldable line. When thefoldable cover is in a supporting state, (i) the left upper section andthe right upper section are releasably fastened together so as to fastenthe left supporting section and the right supporting section, and (ii)the left lower section and the right lower section are placed flatly onthe plane. When the foldable cover is in a non-supporting state, theplurality of sections are substantially extending in a same plane tocover the user operable device.

The present invention provides the user operable device with thefoldable cover not only capable of covering the top of the user operabledevice for protecting the user operable device or preventing carelesstouch of the user operable device when the user operable device is notused, but also capable of supporting the portable device at thesupporting state by rotation when the portable device is used,alternatively.

These and other objectives of the present invention will no doubt becomeobvious to those of ordinary skill in the art after reading thefollowing detailed description of the preferred embodiment that isillustrated in the various figures and drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 to FIG. 6 are diagrams of a keyboard device with a supportcooperating with a keyboard at different states according to a preferredembodiment of the present invention.

FIG. 7 to FIG. 9 are diagrams of the support according to otherembodiments of the present invention.

DETAILED DESCRIPTION

In the following detailed description of the preferred embodiments,reference is made to the accompanying drawings which form a part hereof,and in which is shown by way of illustration specific embodiments inwhich the invention maybe practiced. In this regard, directionalterminology, such as “top,” “bottom,” “front,” “back,” etc., is usedwith reference to the orientation of the Figure(s) being described. Thecomponents of the present invention can be positioned in a number ofdifferent orientations. As such, the directional terminology is used forpurposes of illustration and is in no way limiting. Accordingly, thedrawings and descriptions will be regarded as illustrative in nature andnot as restrictive.

Please refer to FIG. 1 to FIG. 6. FIG. 1 to FIG. 6 are diagrams of akeyboard device with a support 1 cooperating with a keyboard 2 atdifferent states according to a preferred embodiment of the presentinvention. As shown in FIG. 1, the support 1 includes a main body 10, aconnecting portion 11, a first supporting portion 12 and a secondsupporting portion 13. One end 112 of the connecting portion 11 ispivoted to a bottom side 102 of the main body 10, and the other end 114of the connecting portion 11 is connected to the keyboard 2. The otherend 114 of the connecting portion 11 can be connected to a bottom 21 ofthe keyboard 2. For example, as shown in FIG. 2, the other end 114 ofthe connecting portion 11 can be inserted to a socket 23 on the bottom21 of the keyboard 2.

As shown in FIG. 4 to FIG. 6, the first supporting portion 12 is pivotedto a first lateral side 104 of the main body 10. The second supportingportion 13 is pivoted to a second lateral side 106 of the main body 10.The main body 10 can rotate in a first direction L1 away from thekeyboard 2, the first supporting portion 12 and the second supportingportion 13 also can rotate in the first direction L1 away from thekeyboard 2 so that a lateral side 122 of the first supporting portion 12and a lateral side 132 of the second supporting portion 13 contactagainst each other, and a bottom side 124 of the first supportingportion 12 and a bottom side 134 of the second supporting portion 13stand on a plane P, so as to support the support 1 on the plane P at asupporting state as the keyboard 2 is placed on the plane P.

The support 1 further includes a first fastening portion 14 and a secondfastening portion 15. The first fastening portion 14 is pivoted to thelateral side 122 of the first supporting portion 12, and the secondfastening portion 15 is pivoted to the lateral side 132 of the secondsupporting portion 13. The first fastening portion 14 and the secondfastening portion 15 are for releasably being fastened together so as tofasten the lateral side 122 of the first supporting portion 12 and thelateral side 132 of the second supporting portion 13 as the support 1 isat the supporting state.

As shown in FIG. 5, the support 1 further includes a first attachmentportion 16 and a second attachment portion 17. The first attachmentportion 16 is pivoted to the bottom side 124 of the first supportingportion 12. The second attachment portion 17 is pivoted to the bottomside 134 of the second supporting portion 13. The first attachmentportion 16 and the second attachment portion 17 are placed flatly on theplane P as the support 1 is at the supporting state. As shown in FIG. 6,the main body 10, the first supporting portion 12, the second supportingportion 13, the first fastening portion 14, the second fastening portion15, the first attachment portion 16 and the second attachment portion 17can rotate in a second direction L2 opposite to the first direction L1and close to the keyboard 2, so as to cover a whole top 22 of thekeyboard 2.

The main body 10, the connecting portion 11, the first supportingportion 12, the second supporting portion 13, the first fasteningportion 14, the second fastening portion 15, the first attachmentportion 16 and the second attachment portion 17 can be sheet structures,respectively. The main body 10 can substantially have a shape of atrapezoid, a rectangle, a triangle, and so on. In practical application,the first supporting portion 12, the second supporting portion 13, thefirst fastening portion 14, the second fastening portion 15, the firstattachment portion 16 and the second attachment portion 17 can be madeof stiff or half-stiff material, such as high polymer material, leather,metal material, and so on. The adjacent portions can be connectedfoldably or pivotably.

As shown in FIG. 5, a slot is formed between the main body 10, theconnecting portion 11 and the keyboard 2 for accommodating a portableinformation processing device 3, such as a smart phone, a tabletcomputer, and so on, as the support 1 is at the supporting state. Thesupport 1 can support the portable information processing device 3.

As shown in FIG. 3, the first fastening portion 14 includes a firstmagnetic component 142, and the second fastening portion 15 includes afirst magnetic induction component 152. The first magnetic component 142and the first magnetic induction component 152 are for releasablyattracting each other so as to releasably fasten the first fasteningportion 14 and the second fastening portion 15. Further, as shown inFIG. 6, the support 1 further includes a second magnetic inductioncomponent 24 disposed on the keyboard 2 and corresponding to the firstmagnetic component 142, and a second magnetic component 25 disposed onthe keyboard 2 and corresponding to the first magnetic inductioncomponent 152. The first magnetic component 142 and the second magneticinduction component 24 can releasably attract each other by magneticinduction and the first magnetic induction component 152 and the secondmagnetic component 25 can releasably attract each other by magneticinduction, as the main body 10, the first supporting portion 12, thesecond supporting portion 13, the first fastening portion 14 and thesecond fastening portion 15 rotate in a second direction L2 opposite tothe first direction L1 and close to the keyboard 2, so as to cover thetop 22 of the keyboard 2.

Please refer to FIG. 7. FIG. 7 is a diagram of the support 1 accordingto another embodiment of the present invention. The first fasteningportion 14 includes a third magnetic component 144, and the secondfastening portion 15 includes a fourth magnetic component 154. The thirdmagnetic component 144 and the fourth magnetic component 154 canreleasably attract each other due to being opposite magnetic poles, soas to releasably fasten the first fastening portion 14 and the secondfastening portion 15. Further, the support 1 further includes a fifthmagnetic component 26 disposed on the keyboard 2 and corresponding tothe third magnetic component 144, and a sixth magnetic component 27disposed on the keyboard 2 and corresponding to the fourth magneticcomponent 154. The fifth magnetic component 26 and the third magneticcomponent 144 can releasably attract each other due to being oppositemagnetic poles. The sixth magnetic component 27 and the fourth magneticcomponent 154 can releasably attract each other due to being oppositemagnetic poles. The fifth magnetic component 26 and the third magneticcomponent 144 can releasably attract each other and the sixth magneticcomponent 27 and the fourth magnetic component 154 can releasablyattract each other, as the main body 10, the first supporting portion12, the second supporting portion 13, the first fastening portion 14 andthe second fastening portion 15 rotate in the second direction L2opposite to the first direction L1 and close to the keyboard 2, so as tocover the top 22 of the keyboard 2. In FIG. 7, the same components asthose shown in FIG. 6 are denoted by the same reference numerals and adescription thereof will not be repeated.

Please refer to FIG. 8. FIG. 8 is a diagram of the support 1 accordingto another embodiment of the present invention. The first fasteningportion 14 includes a first velcro tape 146, and the second fasteningportion 15 includes a second velcro tape 156. The first velcro tape 146and the second velcro tape 156 can releasably attach each other so as toreleasably fasten the first fastening portion 14 and the secondfastening portion 15. The supporting 1 further includes a third velcrotape 28 disposed on the keyboard 2 and corresponding to the first velcrotape 146, and a fourth velcro tape 29 disposed on the keyboard 2 andcorresponding to the second velcro tape 156. The third velcro tape 28and the first velcro tape 146 can releasably attach each other and thefourth velcro tape 29 and the second velcro tape 156 can releasablyattach each other, as the main body 10, the first supporting portion 12,the second supporting portion 13, the first fastening portion 14 and thesecond fastening portion 15 rotate in the second direction L2 oppositeto the first direction L1 and close to the keyboard 2, so as to coverthe top 22 of the keyboard 2. In FIG. 8, the same components as thoseshown in FIG. 6 are denoted by the same reference numerals and adescription thereof will not be repeated.

Please refer to FIG. 9. FIG. 9 is a diagram of the support 1 accordingto another embodiment of the present invention. The first fasteningportion 14 includes a reusable adhesive layers 148, and the secondfastening portion 15 includes a reusable adhesive layers 158. The firstfastening portion 14 and the second fastening portion 15 can bereleasably fastened by affixing the reusable adhesive layer 148 and thereusable adhesive layers 158. The reusable adhesive layer 148 and thereusable adhesive layer 158 can be affixed to the top 22 of the keyboard2 repeatedly, as the main body 10, the first supporting portion 12, thesecond supporting portion 13, the first fastening portion 14 and thesecond fastening portion 15 rotate in the second direction L2 oppositeto the first direction L1 and close to the keyboard 2, so as to coverthe top 22 of the keyboard 2. In FIG. 9, the same components as thoseshown in FIG. 6 are denoted by the same reference numerals and adescription thereof will not be repeated.

In contrast with the prior art, the present invention provides thekeyboard device with the support not only capable of covering the top ofthe keyboard for protecting the keyboard or preventing careless touch ofthe keyboard when the keyboard is not used, but also capable ofsupporting the portable information processing device at the supportingstate by rotation when the portable information processing device isused, alternatively.

Those skilled in the art will readily observe that numerousmodifications and alterations of the device and method may be made whileretaining the teachings of the invention. Accordingly, the abovedisclosure should be construed as limited only by the metes and boundsof the appended claims.

What is claimed is:
 1. An electronic device with a supporting function, comprising: a user operable device (2) placed on a plane; a foldable cover (1) flexibly connected to the user operable device and capable to cover a whole top of the user operable device (2), the foldable cover (1) comprising a plurality of sections and a plurality of foldable lines formed between different sections, so that the foldable cover (1) can be folded along the plurality of foldable lines; wherein the plurality of foldable lines are formed by following way: (a) forming a left longitudinal foldable line (104); (b) a left lower foldable line (124) joining the left longitudinal foldable line (104) at a first point which is located at a bottom side of a left half foldable cover; (c) forming a right longitudinal foldable line (106) (d) a right lower foldable line (134) joining the right longitudinal foldable line (106) at a second point which is located at the bottom side of a right half foldable cover; (e) a left upper foldable line (122) extending from a left side to an upper side of the foldable cover (1); and (f) a right upper foldable line (132) extending from a right side to the upper side of the foldable cover (1); wherein the left longitudinal foldable line (104) and the right longitudinal foldable line (106) extend from the bottom side to the upper side of the foldable cover (1), the left lower foldable line (124) extends from the bottom side to the left side of the foldable cover (1), and the right lower foldable line (134) extends from the bottom side to the right side of the foldable cover (1), and the six foldable lines divide the foldable cover (1) into at least following sections: (a′) a main section (10); (b′) a first supporting section (12) pivoted to a first lateral side of the main section; (c′) a second supporting section (13) pivoted to a second lateral side of the main section; (d′) a first fastening section (14) pivoted to a lateral side of the first supporting section (12); (e′) a second fastening section (15) pivoted to a lateral side of the second supporting section (13); (f′) a first attachment section (16) pivoted to a bottom side of the first supporting section (12); and (g′) a second attachment section (17) pivoted to a bottom side of the second supporting section (13); wherein these sections are connected through the six flexible foldable lines to allow the adjacent sections foldable with respective to one another to make the foldable cover (1) in a supporting state, so that (i) the first fastening section (14) and the second fastening section (15) are releasably fastened together so as to fasten the first supporting section (12) and the second supporting section (13), and (ii) the first attachment section (16) and the second attachment section (17) are placed flatly on the plane.
 2. The electronic device of claim 1, wherein the first fastening section (14) comprises a first magnetic component (142), the second fastening section (15) comprises a first magnetic induction component (152), and the first magnetic component (142) and the first magnetic induction component (152) are for releasably attracting each other so as to releasably fasten the first fastening section (14) and the second fastening section (15).
 3. The electronic device of claim 2, wherein the foldable cover (1) further comprises: a second magnetic component (25) disposed on the user operable device (2) and corresponding to the first magnetic induction component (152); and a second magnetic induction component (24) disposed on the user operable device (2) and corresponding to the first magnetic component (142); wherein the first magnetic component (142) and the second magnetic induction component (24) are for releasably attracting each other and the first magnetic induction component (152) and the second magnetic component (25) are for releasably attracting each other, as the main section (10), the first supporting section (12), the second supporting section (13), the first fastening section (14) and the second fastening section (15) are for rotating in a direction close to the user operable device (2), so as to cover atop of the user operable device (2).
 4. The electronic device of claim 1, wherein the first fastening section (14) comprises a third magnetic component (144), the second fastening section (15) comprises a fourth magnetic component (154), and the third magnetic component (144) and the fourth magnetic component (154) are for releasably attracting each other due to being opposite magnetic poles so as to releasably fasten the first fastening section (14) and the second fastening section (15).
 5. The electronic device of claim 4, wherein the foldable cover (1) further comprises: a fifth magnetic component (26) disposed on the user operable device (2) and corresponding to the third magnetic component (144), the fifth magnetic component (26) and the third magnetic component (144) being for releasably attracting each other due to being opposite magnetic poles; and a sixth magnetic component (27) disposed on the user operable device (2) and corresponding to the fourth magnetic component (154), the sixth magnetic component (27) and the fourth magnetic component (154) being for releasably attracting each other due to being opposite magnetic poles; wherein the fifth magnetic component (26) and the third magnetic component (144) are for releasably attracting each other and the sixth magnetic component (27) and the fourth magnetic component (154) are for releasably attracting each other, as the main section (10), the first supporting section (12), the second supporting section (13), the first fastening section (14) and the second fastening section (15) are for rotating in a direction close to the user operable device (2), so as to cover a top of the user operable device (2).
 6. The electronic device of claim 1, wherein the first fastening section (14) comprises a first velcro tape (146), the second fastening section (15) comprises a second velcro tape (156), and the first velcro tape (146) and the second velcro tape (156) are for releasably attaching each other so as to releasably fasten the first fastening section (14) and the second fastening section (15).
 7. The electronic device of claim 6, wherein the foldable cover (1) further comprises: a third velcro tape (28) disposed on the user operable device (2) and corresponding to the first velcro tape (146); and a fourth velcro tape (29) disposed on the user operable device (2) and corresponding to the second velcro tape (156); wherein the third velcro tape (28) and the first velcro tape (146) are for releasably attaching each other and the fourth velcro tape (29) and the second velcro tape (156) are for releasably attaching each other, as the main section (10), the first supporting section (12), the second supporting section (13), the first fastening section (14) and the second fastening section (15) are for rotating in a direction close to the user operable device (2), so as to cover atop of the user operable device (2).
 8. The electronic device of claim 1, further comprising a flexible connecting portion (11), one end of the flexible connecting portion (11) being connected to a bottom side of the main section (10) and no connection being with the other sections, and the other end of the flexible connecting portion (11) being connected to the user operable device (2), so the main section (10) is connected with the user operable device through the flexible connecting portion (11).
 9. The electronic device of claim 1, wherein the main section (10) substantially has a shape of a trapezoid, a rectangle, or a triangle.
 10. The electronic device of claim 1, wherein when the foldable cover (1) is in the supporting state, a receiving space (23) is formed between the main section (10) and the user operable device (2) for receiving a bottom end of a portable device.
 11. An electronic device with a supporting function, the electronic device comprising: a user operable device (2) placed on a plane; a foldable cover (1) flexibly connected to the user operable device (2), the foldable cover (1) comprising a plurality of sections and a plurality of foldable lines formed between different sections, so that the foldable cover (1) can be folded along the plurality of foldable lines; wherein the plurality of foldable lines are formed by following way: (a) a left longitudinal foldable line (104) extending from a bottom side to an upper side of the foldable cover (1); (b) a left lower foldable line (124) forming at a left side of the left longitudinal foldable line (104) and extending from the bottom side to a left side of the foldable cover (1); (c) a right longitudinal foldable line (106) forming at a right side of the left longitudinal foldable line (104) and extending from the bottom side to the upper side of the foldable cover (1); (d) a right lower foldable line (134) forming at a right side of the right longitudinal foldable line (106) and extending from the bottom side to a right side of the foldable cover (1); (e) a left upper foldable line (122) forming at the left side of the left longitudinal foldable line (104) and extending from the left side to the upper side of the foldable cover (1); and (f) a right upper foldable line (132) forming at the right side of the right longitudinal foldable line (106) and extending from the right side to the upper side of the foldable cover (1); wherein the plurality of foldable lines divide the foldable cover (1) into at least following sections: (a′) a main section (10); (b′) a left supporting section (12) pivoted to the main section (10) through the left longitudinal foldable line (104); (c′) a right supporting section (13) pivoted the main section (10) through the right longitudinal foldable line (106); (d′) a left upper section (14) pivoted to the left supporting section (12) through the left upper foldable line (122); (e′) a right upper section (15) pivoted to the right supporting section (13) through the right upper foldable line (132); (f′) a left lower section (16) pivoted to the left supporting section (12) through the left lower foldable line (124); and (g′) a right lower section (17) pivoted the right supporting section (13) through the right lower foldable line (134); wherein when the foldable cover (1) is in a supporting state, (i) the left upper section (14) and the right upper section (15) are releasably fastened together so as to fasten the left supporting section (12) and the right supporting section (13), and (ii) the left lower section (16) and the right lower section (17) are placed flatly on the plane; wherein when the foldable cover (1) is in a non-supporting state, the plurality of sections are substantially extending in a same plane to cover the user operable device (2).
 12. The electronic device of claim 11, wherein the left upper section (14) comprises a first magnetic component (142), the right upper section (15) comprises a first magnetic induction component (152) or a fourth magnetic component (154), so that the left upper section (14) and the right upper section (15) are releasably fasten.
 13. The electronic device of claim 12, wherein the foldable cover (1) further comprises: a second magnetic component (25) disposed on the user operable device (2) and corresponding to the first magnetic induction component (152); and a second magnetic induction component (24) disposed on the user operable device (2) and corresponding to the first magnetic component (142); wherein the first magnetic component (142) and the second magnetic induction component (24) are for releasably attracting each other and the first magnetic induction component (152) and the second magnetic component (25) are for releasably attracting each other, as the main section (10), the left supporting section (12), the right supporting section (13), the left upper section (14) and the right upper section (15) are for rotating in a direction close to the user operable device (2), so as to cover a top of the user operable device (2).
 14. The electronic device of claim 11, wherein the left upper section (14) comprises a first velcro tape (146), the right upper section (15) comprises a second velcro tape (156), and the first velcro tape (146) and the second velcro tape (156) are for releasably attaching each other so as to releasably fasten the left upper section (14) and the right upper section (15).
 15. The electronic device of claim 14, wherein the foldable cover (1) further comprises: a third velcro tape (28) disposed on the user operable device (2) and corresponding to the first velcro tape (146); and a fourth velcro tape (29) disposed on the user operable device (2) and corresponding to the second velcro tape (156); wherein the third velcro tape (28) and the first velcro tape (146) are for releasably attaching each other and the fourth velcro tape (29) and the second velcro tape (156) are for releasably attaching each other, as the main section (10), the left supporting section (12), the right supporting section (13), the left upper section (14) and the right upper section (15) are for rotating in a direction close to the user operable device (2), so as to cover a top of the user operable device (2).
 16. The electronic device of claim 11, wherein the main section (10) substantially has a shape of a trapezoid, a rectangle, or a triangle.
 17. The electronic device of claim 11, wherein when the foldable cover (1) is in the supporting state, a receiving space (23) is formed between the main section (10) and the user operable device (2) for receiving a bottom end of a portable device.
 18. The electronic device of claim 11, further comprising a flexible connecting portion (11), an upper end of the connecting portion (11) being connected to a bottom side of the main section (10) and no connection being with the other sections, and a lower end of the connecting portion (11) being connected to the user operable device (2), so the main section is connected with the user operable device through the flexible connecting portion (11).
 19. The electronic device of claim 11, wherein the left lower foldable line (124) joins the left longitudinal foldable line (104) at a first point located at the bottom side of the foldable cover, and the right lower foldable line (134) joins the right longitudinal foldable line (106) at a second point located at the bottom side of the foldable cover, so that when the foldable cover (1) is in the supporting state, both lower ends of the left longitudinal foldable line (104) and the right lower foldable line (134) contact the plane.
 20. The electronic device of claim 11, wherein an upper end of the left upper foldable line (122) is separated from an upper end of the left longitudinal foldable line (104), and an upper end of the right upper foldable line (132) is separated from an upper end of the right longitudinal foldable line (106). 